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Questions tagged [geophysics]

For questions relating to geophysics: the study, behavior, consequences, and technologies involving the physical properties of the Earth.

4 votes
3 answers
485 views

Any advice on what is a realistic way to use plate tectonics to create landmasses and barriers?

Recently I've taken it upon myself to create a brand new fantasy world. I created fantasy settings in the past but this is the first one with such a strong emphasis on realism and staying true to our ...
Patrick's user avatar
  • 41
2 votes
3 answers
78 views

Would there be a point to windfarms in a country surrounding a bay and is also almost fully surrounded by mountain ranges?

To better demonstrate my question, here's a very shoddily made image I made in Photoshop in under five minutes. Essentially this country is an almost full ring of land with a natural barrier of ...
Niobium_Sage's user avatar
  • 2,071
5 votes
1 answer
322 views

Mountain heights - theoretical limits

I have a country bounded on three sides by fold mountains. Due to a magical plot device, the force acting to drive the upward motion of the mountains persists indefinitely, acting on the plates ...
Hukk2010's user avatar
  • 1,302
6 votes
1 answer
127 views

Would an asteroid colliding with a terrestrial planet result in the creation of extensive caves nearby the crater?

I just did some research on the Chicxulub crater in the Yucatán Peninsula in Mexico, which is the crater from the asteroid responsible for the extinction of the dinosaurs. Yucatán itself does have ...
Niobium_Sage's user avatar
  • 2,071
2 votes
2 answers
417 views

How long would it take for earth to dry up?

At current global warming rates, the sea levels are rising because the ice caps are melting. But once the ice caps are all melted, the sea would stay the same. In my world, humanity's money revolves ...
violetorigin's user avatar
4 votes
15 answers
2k views

Is there any scientific way a ship could fall off the edge of the world? [closed]

I'm trying to write a story about falling off the edge of he earth during a sea voyage and would like to incorporate as much as detailed and accurate physics as possible. For this to work, I know ...
Vulgar Mechanick's user avatar
10 votes
3 answers
5k views

What pressure, temperature and atmospheric challenges exist for human habitation 1 mile beneath the surface of the earth?

Would air pressure be demonstrably greater in a subterranean city at a depth of 1 mile? Lava tubes leading into a dormant magma chamber -- this would have challenging gasses that would need to be ...
Ceci B's user avatar
  • 111
3 votes
2 answers
4k views

Black hole at the center of the planet

Okay, picture a planet so massive, a black hole has formed in its center. The minimum mass of a black hole is 22 micrograms, or the Planck mass, and whatever the core is made of, it needs to be ...
TysonDennis's user avatar
  • 2,380
2 votes
1 answer
161 views

Planet covered in non-Newtonian fluid

Basically, I watched that horrible holiday special. The animated short that introduced our friend Boba Fett, and there’s a planet that’s apparently covered completely by a non-Newtonian fluid. What ...
TysonDennis's user avatar
  • 2,380
2 votes
2 answers
388 views

Could ants thrive on mars if they stayed underground? [closed]

Lets say humans would want to populate Mars with ants. Would it be possible for an ant colony to create a self sustaining ecosystem underground on Mars, by for example farming fungi, like some ants do?...
user2741831's user avatar
  • 1,059
3 votes
1 answer
93 views

How to get Rodinia/Pangaea to now in a year?

I was reading this article, and noticed this section: At the opposite end of the plates, the presence of water underground changes how easy or hard it is for one plate to subduct beneath another in a ...
Christian Sirolli's user avatar
8 votes
4 answers
2k views

How Would the Mountains Form in This Supercontinent?

Here is a supercontinent map generated randomly from the Donjon website: Now, hold on just a minute. Something looks wrong. The mountains in brown and white are too far inland to be caused by ...
JohnWDailey's user avatar
  • 14.5k
7 votes
3 answers
505 views

Does extreme atmospheric pressure increase or decrease the power of weather?

The world I have imagined is much like Venus, with an atmosphere at "sea level" 70 times that of Earth, and temperatures at the same altitude approaching 377 degrees Celsius - with much more ...
DehLeprechaun's user avatar
11 votes
3 answers
752 views

Inverted Everest world

I want to make a world with a great deal of variation in habitability in terms of temperature and pressure. Some areas would be habitable; others less so, some would require protective clothing and ...
Slarty's user avatar
  • 37.8k
25 votes
8 answers
4k views

Can the Little Prince's planet actually exist in our universe?

This is a drawing by my daughter which inspired one of the elements in my story/world: The perspective is a little bit mixed here (certainly I don't have a 15 meter-high volcano in this world), but ...
trejder's user avatar
  • 2,393

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